Fix all code warnings

android/app/src/main/AndroidManifest.xml

@@ -69,12 +69,6 @@
                 android:name="io.flutter.embedding.android.NormalTheme"
                 android:resource="@style/NormalTheme" />
 
-            <!-- Specify that the launch screen should continue being displayed -->
-            <!-- until Flutter renders its first frame. -->
-            <meta-data
-                android:name="io.flutter.embedding.android.SplashScreenDrawable"
-                android:resource="@drawable/launch_background" />
-
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />

lib/main.dart

@@ -9,6 +9,7 @@ import 'package:comunic/utils/flutter_utils.dart';
 import 'package:comunic/utils/intl_utils.dart';
 import 'package:connectivity/connectivity.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 
 /// Main file of the application
 ///
@@ -69,7 +70,7 @@ class ComunicApplicationState extends State<ComunicApplication> {
               primaryColorDark: config().primaryColorDark,
               appBarTheme: AppBarTheme(
                 backgroundColor: config().primaryColor,
-                brightness: Brightness.dark,
+                systemOverlayStyle: SystemUiOverlayStyle.light,
               )),
       showPerformanceOverlay: prefs.showPerformancesOverlay,
     );

lib/models/config.dart

@@ -1,8 +1,5 @@
-import 'dart:ui';
-
 import 'package:comunic/ui/routes/tour_route.dart';
 import 'package:flutter/material.dart';
-import 'package:meta/meta.dart';
 
 /// Application configuration model
 ///

lib/models/conversation.dart

@@ -2,7 +2,6 @@ import 'package:comunic/helpers/serialization/base_serialization_helper.dart';
 import 'package:comunic/models/conversation_member.dart';
 import 'package:comunic/utils/account_utils.dart';
 import 'package:flutter/material.dart';
-import 'package:meta/meta.dart';
 
 import 'group.dart';
 

lib/models/conversation_message.dart

@@ -4,7 +4,6 @@ import 'package:comunic/models/displayed_content.dart';
 import 'package:comunic/utils/account_utils.dart' as account;
 import 'package:comunic/utils/intl_utils.dart';
 import 'package:flutter/material.dart';
-import 'package:meta/meta.dart';
 
 /// Single conversation message
 ///
@@ -132,10 +131,14 @@ class ConversationServerMessage {
         return Set()..add(userID);
 
       case ConversationServerMessageType.USER_ADDED_ANOTHER_USER:
-        return Set()..add(userWhoAdded)..add(userAdded);
+        return Set()
+          ..add(userWhoAdded)
+          ..add(userAdded);
 
       case ConversationServerMessageType.USER_REMOVED_ANOTHER_USER:
-        return Set()..add(userWhoRemoved)..add(userRemoved);
+        return Set()
+          ..add(userWhoRemoved)
+          ..add(userRemoved);
     }
 
     throw Exception("Unsupported server message type!");

lib/ui/dialogs/audio_player_dialog.dart

@@ -1,7 +1,6 @@
 import 'package:chewie_audio/chewie_audio.dart';
 import 'package:comunic/ui/widgets/async_screen_widget.dart';
 import 'package:comunic/utils/intl_utils.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:video_player/video_player.dart';
 

lib/ui/dialogs/input_url_dialog.dart

@@ -1,7 +1,6 @@
 import 'package:comunic/ui/dialogs/single_input_dialog.dart';
 import 'package:comunic/utils/input_utils.dart';
 import 'package:comunic/utils/intl_utils.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
 /// Ask the user to enter an URL

lib/ui/dialogs/input_youtube_link_dialog.dart

@@ -1,6 +1,5 @@
 import 'package:comunic/ui/dialogs/single_input_dialog.dart';
 import 'package:comunic/utils/intl_utils.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
 /// Add YouTube link dialog

lib/ui/dialogs/multi_choices_dialog.dart

@@ -1,6 +1,5 @@
 import 'package:comunic/ui/widgets/dialogs/auto_sized_dialog_content_widget.dart';
 import 'package:comunic/utils/intl_utils.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
 /// Build and show a dialog to offer to the user to choose between several

lib/ui/dialogs/pick_file_dialog.dart

@@ -8,7 +8,6 @@ import 'package:comunic/utils/ui_utils.dart';
 import 'package:file_picker/file_picker.dart';
 import 'package:filesize/filesize.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 import 'package:image_cropper/image_cropper.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:mime/mime.dart';

lib/ui/dialogs/pick_user_dialog.dart

@@ -4,7 +4,6 @@ import 'package:comunic/ui/widgets/dialogs/confirm_dialog_button.dart';
 import 'package:comunic/ui/widgets/pick_user_widget.dart';
 import 'package:comunic/ui/widgets/safe_state.dart';
 import 'package:comunic/utils/intl_utils.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
 /// Pick user dialog

lib/ui/dialogs/post_visibility_picker_dialog.dart

@@ -2,7 +2,6 @@ import 'package:comunic/enums/post_visibility_level.dart';
 import 'package:comunic/ui/tiles/post_visibility_level_tile.dart';
 import 'package:comunic/utils/intl_utils.dart';
 import 'package:flutter/material.dart';
-import 'package:meta/meta.dart';
 
 /// Post utilities
 ///

lib/ui/dialogs/screen_dialog.dart

@@ -1,7 +1,6 @@
 import 'dart:math';
 
 import 'package:comunic/utils/ui_utils.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
 /// Screen dialog

lib/ui/dialogs/single_input_dialog.dart

@@ -1,5 +1,4 @@
 import 'package:comunic/utils/intl_utils.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
 /// Dialog to use to ask the user to enter a value

lib/ui/dialogs/virtual_directory_dialog.dart

@@ -2,7 +2,6 @@ import 'package:comunic/helpers/groups_helper.dart';
 import 'package:comunic/helpers/settings_helper.dart';
 import 'package:comunic/ui/widgets/safe_state.dart';
 import 'package:comunic/utils/intl_utils.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
 /// Show a dialog to offer the user to pick a virtual directory

lib/ui/routes/forgot_password_route.dart

@@ -6,9 +6,7 @@ import 'package:comunic/ui/widgets/safe_state.dart';
 import 'package:comunic/utils/input_utils.dart';
 import 'package:comunic/utils/intl_utils.dart';
 import 'package:comunic/utils/ui_utils.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 
 /// Reset password route
 ///

lib/ui/routes/settings/account_privacy_settings.dart

@@ -12,7 +12,6 @@ import 'package:comunic/utils/flutter_utils.dart';
 import 'package:comunic/utils/intl_utils.dart';
 import 'package:comunic/utils/ui_utils.dart';
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/material.dart';
 import 'package:flutter_settings_ui/flutter_settings_ui.dart';
 
 /// Account privacy settings

lib/ui/routes/single_post_route.dart

@@ -2,7 +2,6 @@ import 'package:comunic/helpers/posts_helper.dart';
 import 'package:comunic/lists/posts_list.dart';
 import 'package:comunic/ui/widgets/posts_list_widget.dart';
 import 'package:comunic/utils/intl_utils.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
 /// Single post route

lib/ui/screens/notifications_screen.dart

@@ -15,7 +15,6 @@ import 'package:comunic/utils/intl_utils.dart';
 import 'package:comunic/utils/navigation_utils.dart';
 import 'package:comunic/utils/ui_utils.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 
 /// Notifications screen
 ///

lib/ui/tiles/post_tile.dart

@@ -25,7 +25,6 @@ import 'package:comunic/utils/intl_utils.dart';
 import 'package:comunic/utils/navigation_utils.dart';
 import 'package:comunic/utils/ui_utils.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 import 'package:url_launcher/url_launcher.dart';
 
 import '../../models/api_request.dart';

lib/ui/widgets/countdown_widget.dart

@@ -75,7 +75,7 @@ class _CountdownWidgetState extends State<CountdownWidget> {
               value: remainingTime <= 0
                   ? 1.0
                   : 1 - (remainingTime / totalDuration),
-              backgroundColor: Theme.of(context).accentColor,
+              backgroundColor: Theme.of(context).colorScheme.secondary,
               valueColor: AlwaysStoppedAnimation<Color>(
                   Theme.of(context).backgroundColor),
             ),

lib/ui/widgets/login_routes_theme.dart

@@ -43,7 +43,6 @@ class LoginRoutesTheme extends StatelessWidget {
             backgroundColor: Config.get().splashBackgroundColor,
             disabledColor: Colors.grey,
             highlightColor: Colors.white12,
-            accentColor: Colors.white,
             hintColor: Colors.white,
             textTheme: TextTheme(subtitle1: TextStyle(color: Colors.white)),
             radioTheme: RadioThemeData(
@@ -63,7 +62,7 @@ class LoginRoutesTheme extends StatelessWidget {
               onBackground: Colors.white,
               onError: Colors.redAccent,
               brightness: Brightness.dark,
-            )),
+            ).copyWith(secondary: Colors.white)),
         child: child,
       );
 }

lib/ui/widgets/tablet_mode/conversations/conversation_window_container.dart

@@ -44,7 +44,6 @@ class ConversationWindowContainer extends StatelessWidget {
           appBar: AppBarWrapper(
               height: 40,
               appBar: AppBar(
-                textTheme: TextTheme(headline6: TextStyle(fontSize: 15)),
                 backgroundColor: appBarBgColor,
                 leading: icon,
                 title: GestureDetector(child: title, onTap: onToggleCollapse),
@@ -52,6 +51,10 @@ class ConversationWindowContainer extends StatelessWidget {
                   ..add(
                     IconButton(icon: Icon(Icons.close), onPressed: onClose),
                   ),
+                toolbarTextStyle:
+                    TextTheme(headline6: TextStyle(fontSize: 15)).bodyText2,
+                titleTextStyle:
+                    TextTheme(headline6: TextStyle(fontSize: 15)).headline6,
               )),
           body: Visibility(
             child: body,

lib/ui/widgets/tablet_mode/user_page_tablet.dart

@@ -16,7 +16,6 @@ import 'package:comunic/utils/date_utils.dart';
 import 'package:comunic/utils/intl_utils.dart';
 import 'package:comunic/utils/ui_utils.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 
 /// Tablet mode of user page
 ///

lib/ui/widgets/text_rich_content_widget.dart

@@ -1,5 +1,3 @@
-import 'dart:ui';
-
 import 'package:comunic/utils/input_utils.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';

lib/utils/navigation_utils.dart

@@ -4,7 +4,6 @@ import 'package:comunic/ui/routes/single_post_route.dart';
 import 'package:comunic/utils/intl_utils.dart';
 import 'package:comunic/utils/ui_utils.dart';
 import 'package:flutter/material.dart';
-import 'package:meta/meta.dart';
 
 /// Navigation utilities
 ///